2 * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
4 * This file is part of libFirm.
6 * This file may be distributed and/or modified under the terms of the
7 * GNU General Public License version 2 as published by the Free Software
8 * Foundation and appearing in the file LICENSE.GPL included in the
9 * packaging of this file.
11 * Licensees holding valid libFirm Professional Edition licenses may use
12 * this file in accordance with the libFirm Commercial License.
13 * Agreement provided with the Software.
15 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
16 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * @brief Base routines for register allocation.
23 * @author Sebastian Hack
44 /** The list of register allocators */
45 static be_module_list_entry_t *register_allocators = NULL;
46 static be_ra_t *selected_allocator = NULL;
48 void be_register_allocator(const char *name, be_ra_t *allocator)
50 if (selected_allocator == NULL)
51 selected_allocator = allocator;
52 be_add_module_to_list(®ister_allocators, name, allocator);
55 void be_allocate_registers(ir_graph *irg)
57 assert(selected_allocator != NULL);
58 if (selected_allocator != NULL) {
59 selected_allocator->allocate(irg);
63 BE_REGISTER_MODULE_CONSTRUCTOR(be_init_ra)
66 lc_opt_entry_t *be_grp = lc_opt_get_grp(firm_opt_get_root(), "be");
68 be_add_module_list_opt(be_grp, "regalloc", "register allocator",
69 ®ister_allocators, (void**) &selected_allocator);